X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=threads.cc;h=93160310466d6539d0863118c048e69ebbf7621d;hb=9b6c5d465f4a762dbe75baf2c293510ee6e9bd07;hp=23041b28b55db34d617b86b25e8f3c527810b918;hpb=bd3decdede241f9d7f9ac745d47518099b9b36b5;p=c11tester.git

diff --git a/threads.cc b/threads.cc
index 23041b28..93160310 100644
--- a/threads.cc
+++ b/threads.cc
@@ -61,13 +61,13 @@ Thread * thread_current(void)
 }
 
 void modelexit() {
-	model->switch_to_master(new ModelAction(THREAD_FINISH, std::memory_order_seq_cst, thread_current()));
+	model->switch_thread(new ModelAction(THREAD_FINISH, std::memory_order_seq_cst, thread_current()));
 }
 
 void initMainThread() {
 	atexit(modelexit);
 	Thread * curr_thread = thread_current();
-	model->switch_to_master(new ModelAction(THREAD_START, std::memory_order_seq_cst, curr_thread));
+	model->switch_thread(new ModelAction(THREAD_START, std::memory_order_seq_cst, curr_thread));
 }
 
 /**
@@ -80,7 +80,7 @@ void thread_startup()
 	Thread * curr_thread = thread_current();
 #ifndef TLS
 	/* Add dummy "start" action, just to create a first clock vector */
-	model->switch_to_master(new ModelAction(THREAD_START, std::memory_order_seq_cst, curr_thread));
+	model->switch_thread(new ModelAction(THREAD_START, std::memory_order_seq_cst, curr_thread));
 #endif
 
 	/* Call the actual thread function */
@@ -93,7 +93,7 @@ void thread_startup()
 	}
 #ifndef TLS
 	/* Finish thread properly */
-	model->switch_to_master(new ModelAction(THREAD_FINISH, std::memory_order_seq_cst, curr_thread));
+	model->switch_thread(new ModelAction(THREAD_FINISH, std::memory_order_seq_cst, curr_thread));
 #endif
 }
 
@@ -212,7 +212,7 @@ void * helper_thread(void * ptr) {
 	curr_thread->helpercontext.uc_stack.ss_sp = curr_thread->helper_stack;
 	curr_thread->helpercontext.uc_stack.ss_size = STACK_SIZE;
 	curr_thread->helpercontext.uc_stack.ss_flags = 0;
-	curr_thread->helpercontext.uc_link = model->get_system_context();
+	curr_thread->helpercontext.uc_link = NULL;
 	makecontext(&curr_thread->helpercontext, finalize_helper_thread, 0);
 
 	model_swapcontext(&curr_thread->context, &curr_thread->helpercontext);
@@ -235,7 +235,7 @@ void tlsdestructor(void *v) {
 		return;
 	}
 	/* Finish thread properly */
-	model->switch_to_master(new ModelAction(THREAD_FINISH, std::memory_order_seq_cst, thread_current()));
+	model->switch_thread(new ModelAction(THREAD_FINISH, std::memory_order_seq_cst, thread_current()));
 }
 #endif
 
@@ -285,7 +285,7 @@ int Thread::create_context()
 	context.uc_stack.ss_sp = stack;
 	context.uc_stack.ss_size = STACK_SIZE;
 	context.uc_stack.ss_flags = 0;
-	context.uc_link = model->get_system_context();
+	context.uc_link = NULL;
 #ifdef TLS
 	makecontext(&context, setup_context, 0);
 #else
@@ -335,6 +335,9 @@ int Thread::swap(Thread *t, Thread *t2)
 {
 	t->set_state(THREAD_READY);
 	t2->set_state(THREAD_RUNNING);
+	if (t == t2)
+		return 0;
+
 #ifdef TLS
 	if (t2->tls != NULL)
 		set_tls_addr((uintptr_t)t2->tls);
@@ -342,12 +345,15 @@ int Thread::swap(Thread *t, Thread *t2)
 	return model_swapcontext(&t->context, &t2->context);
 }
 
-/** Terminate a thread and free its stack. */
+/** Terminate a thread. */
 void Thread::complete()
 {
 	ASSERT(!is_complete());
 	DEBUG("completed thread %d\n", id_to_int(get_id()));
 	state = THREAD_COMPLETED;
+}
+
+void Thread::freeResources() {
 	if (stack)
 		stack_free(stack);
 #ifdef TLS